diff --git a/cmd/sidekick-tui/main.go b/cmd/sidekick-tui/main.go
index bfef37c..36a34b1 100644
--- a/cmd/sidekick-tui/main.go
+++ b/cmd/sidekick-tui/main.go
@@ -173,6 +173,10 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
     if msg.err != nil {
       newMsg = sysStyle.Render(fmt.Sprintf("Error: %v", msg.err))
     } else {
+      m.history = append(m.history, sidekick.Message{
+        Role:    sidekick.MessageRoleAssistant,
+        Content: msg.response,
+      })
       newMsg = agentStyle.Render("Sidekick") + "\n" + msg.response
     }
     wrappedMsg := lipgloss.NewStyle().Width(m.viewport.Width).Render(newMsg)